How Do You Make a Fossil for Kids With Plaster of Paris?

By Michael Ferguson

Are you looking for a fun and educational activity for kids that will teach them about fossils? Making a fossil with plaster of Paris is a great way to engage their creativity and curiosity.

Plus, it’s easy and inexpensive! In this tutorial, we will show you how to make a fossil using plaster of Paris.

What You’ll Need:

  • Plaster of Paris
  • Water
  • A plastic container or mold
  • A small toy or object to be the “fossil”
  • A mixing bowl and spoon
  • Sand or dirt (optional)

Step 1: Prepare Your Molding Container
First, find a plastic container or mold that is the size and shape you want your fossil to be. You can use anything from a disposable cup to a plastic tray. Make sure it’s big enough to fit your toy or object comfortably.

Step 2: Mix The Plaster of Paris

In a mixing bowl, combine one cup of plaster of Paris with half a cup of water. Mix until the mixture is smooth and free of lumps. Be sure to work quickly as plaster sets quickly.

Step 3: Pour The Plaster Into The Mold

Carefully pour the plaster into your mold until it’s about halfway full. Then, gently press your toy or object into the plaster, making sure it’s centered and completely covered by the plaster.

Step 4: Add Sand Or Dirt (Optional)

If you want your fossil to look more realistic, sprinkle some sand or dirt on top of the wet plaster before it dries. This will give your fossil an aged look.

Step 5: Let It Dry Completely

Set your mold aside in a safe place and let it dry completely. This can take several hours, depending on the size of your mold and the humidity in the air.

Step 6: Demold The Fossil

Once the plaster has completely dried, gently remove your fossil from the mold. You can use a small brush to remove any excess sand or dirt that may have stuck to it.

Conclusion
Making a fossil with plaster of Paris is a fun and educational activity for kids. It’s a great way to teach them about history and science while engaging their creativity. With these simple steps, you can create a unique and personalized fossil that your child will cherish for years to come!